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121113313013109 = 33117326927984049
BaseRepresentation
bin11011100010011011100011…
…111111111110110101110101
3120212211022122000121221101210
4123202123203333332311311
5111333310031112404414
61105330404330312033
734340101541515044
oct3342334377766565
9525738560557353
10121113313013109
113565495a861a7a
12117006a3588619
135276c233ac8a1
1421c9cb66a255b
15e0067dc87e59
hex6e26e3ffed75

121113313013109 has 32 divisors (see below), whose sum is σ = 168280405632000. Its totient is φ = 77397160596480.

The previous prime is 121113313013093. The next prime is 121113313013117. The reversal of 121113313013109 is 901310313311121.

It is not a de Polignac number, because 121113313013109 - 24 = 121113313013093 is a prime.

It is a super-2 number, since 2×1211133130131092 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113313013309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9664084 + ... + 18319965.

It is an arithmetic number, because the mean of its divisors is an integer number (5258762676000).

Almost surely, 2121113313013109 is an apocalyptic number.

It is an amenable number.

121113313013109 is a deficient number, since it is larger than the sum of its proper divisors (47167092618891).

121113313013109 is a wasteful number, since it uses less digits than its factorization.

121113313013109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27984525.

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 121113313013109 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred thirteen million, thirteen thousand, one hundred nine".

Divisors: 1 3 31 93 173 269 519 807 5363 8339 16089 25017 46537 139611 1442647 4327941 27984049 83952147 867505519 2602516557 4841240477 7527709181 14523721431 22583127543 150078454787 233358984611 450235364361 700076953833 1302293688313 3906881064939 40371104337703 121113313013109